void MovieClip::gotoFrame(int frame)
{
std::map<int, std::vector<Frame*> >::iterator iter;
for (iter = activeFrames_.begin(); iter != activeFrames_.end(); ++iter)
{
const std::vector<Frame*>& frames = iter->second;
for (std::size_t i = 0; i < frames.size(); ++i)
removeChild2(frames[i]->sprite);
}
activeFrames_.clear();
frame_ = frame;
for (std::size_t i = 0; i < frames_.size(); ++i)
{
int start = frames_[i].start;
int end = frames_[i].end;
if (start <= frame_ && frame_ <= end)
{
activeFrames_[end].push_back(&frames_[i]);
addChild2(frames_[i].sprite);
}
}
interpolateParameters();
}
bool Particle::update(float deltaTime)
{
const Model* model = group->getModel();
data->age += deltaTime;
if (!model->immortal)
{
// computes the ratio between the life of the particle and its lifetime
float ratio = std::min(1.0f,deltaTime / data->life);
data->life -= deltaTime;
// updates mutable parameters
for (size_t i = 0; i < model->nbMutableParams; ++i)
{
size_t index = model->mutableParams[i];
size_t enableIndex = model->particleEnableIndices[index];
currentParams[enableIndex] += (extendedParams[i] - currentParams[enableIndex]) * ratio;
}
}
// updates interpolated parameters
interpolateParameters();
// updates position
oldPosition() = position();
position() += velocity() * deltaTime;
// updates velocity
velocity() += group->getGravity() * deltaTime;
std::vector<Modifier*>::const_iterator end = group->activeModifiers.end();
for (std::vector<Modifier*>::const_iterator it = group->activeModifiers.begin(); it != end; ++it)
(*it)->process(*this,deltaTime);
if (group->getFriction() != 0.0f)
velocity() *= 1.0f - std::min(1.0f,group->getFriction() * deltaTime / getParamCurrentValue(PARAM_MASS));
return data->life <= 0.0f;
}
void MovieClip::oneFrame()
{
if (!playing_)
{
return;
}
if (passoneframe_ == true)
{
passoneframe_ = false;
return;
}
std::map<int, int>::iterator iter2 = actions_.find(frame_);
if (iter2 != actions_.end())
{
if (iter2->second == -1)
{
stop();
CompleteEvent event(CompleteEvent::COMPLETE);
dispatchEvent(&event);
}
else
gotoFrame(iter2->second);
return;
}
if (frame_ == maxframe_)
{
stop();
CompleteEvent event(CompleteEvent::COMPLETE);
dispatchEvent(&event);
return;
}
std::map<int, std::vector<Frame*> >::iterator iter;
iter = activeFrames_.find(frame_);
if (iter != activeFrames_.end())
{
const std::vector<Frame*>& frames = iter->second;
for (std::size_t i = 0; i < frames.size(); ++i)
removeChild2(frames[i]->sprite);
activeFrames_.erase(iter);
}
frame_ = frame_ + 1;
iter = allFrames_.find(frame_);
if (iter != allFrames_.end())
{
const std::vector<Frame*>& frames = iter->second;
for (std::size_t i = 0; i < frames.size(); ++i)
{
activeFrames_[frames[i]->end].push_back(frames[i]);
addChild2(frames[i]->sprite);
}
}
interpolateParameters();
}
